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[Qemu-devel] [PATCH RFC v4 3/4] docker: Support "QEMU_CHROOT" in dockerf
From: |
Fam Zheng |
Subject: |
[Qemu-devel] [PATCH RFC v4 3/4] docker: Support "QEMU_CHROOT" in dockerfiles |
Date: |
Mon, 11 Jul 2016 11:20:41 +0800 |
This allows a docker file to say "ENV QEMU_CHROOT /path/to/new/root" to
indicate that the test execution should be done in a chroot in the
container.
Bind mount dev,sys,proc into QEMU_CHROOT to make them avaiable for
testing scripts.
The SYS_ADMIN is a required capability for mount, add it to the
docker run command line.
Signed-off-by: Fam Zheng <address@hidden>
---
tests/docker/Makefile.include | 1 +
tests/docker/run | 12 ++++++++++++
2 files changed, 13 insertions(+)
diff --git a/tests/docker/Makefile.include b/tests/docker/Makefile.include
index c5546ee..e9821ba 100644
--- a/tests/docker/Makefile.include
+++ b/tests/docker/Makefile.include
@@ -107,6 +107,7 @@ docker-run-%: docker-qemu-src
$(call quiet-command,\
$(SRC_PATH)/tests/docker/docker.py run $(if $V,,--rm) \
-t \
+ --cap-add SYS_ADMIN \
$(if $(DEBUG),-i,--net=none) \
-e TARGET_LIST=$(TARGET_LIST) \
-e EXTRA_CONFIGURE_OPTS=$(EXTRA_CONFIGURE_OPTS)
\
diff --git a/tests/docker/run b/tests/docker/run
index 38ce789..4e80cc3 100755
--- a/tests/docker/run
+++ b/tests/docker/run
@@ -19,6 +19,18 @@ fi
BASE="$(dirname $(realpath $0))"
+# cp files into the chroot and execute there
+if test -n "$QEMU_CHROOT"; then
+ mkdir -p $QEMU_CHROOT/$BASE
+ cp $BASE/* $QEMU_CHROOT/$BASE
+ QEMU_CHROOT_SAVE="$QEMU_CHROOT"
+ for bp in dev sys proc; do
+ mount --bind /$bp $QEMU_CHROOT/$bp
+ done
+ QEMU_CHROOT="" chroot $QEMU_CHROOT_SAVE $BASE/run "$@"
+ exit 0
+fi
+
# Prepare the environment
. /etc/profile || true
export PATH=/usr/lib/ccache:$PATH
--
2.7.4
Re: [Qemu-devel] [PATCH RFC v4 0/4] docker: Support building qemu-user powered docker test images, Alex Bennée, 2016/07/11